Name of Work: Runway Rehabilitation Scheme (RRS) for Tech Area atAFS Tezpur
Sl. No.
Item Description
1
Earth work in excavation by mechanical means (Hydraulic excavator) over areas (exceeding 30 cm in depth,1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated soil upto 50 m and lift upto 1.5m, complete all as specified and directed.
2
All as per item no. 1 depth exceed 1.5 mn.exc 3.0 m depth, complete all as specified and directed.
3
M&Lfor filling of craters, laying and compacting in layers 150mm thick (Compacted thickness) broken stone/boulder aggregate of nominal size of 63mm but not exceeding 100mm upto depth of 900mm and compacting with vibratory power roller of 8 to 12 tonne capacity to achieve the desired density, complete all as specified and directed.
4
M&L for construction of granular sub base (GSB), 150 mm thickness, Laying and compacting in layers 150mm thick (Compacted thickness) broken stone/boulder aggrgate of nominal size of 63mmupto depth of 1740mm and compacting with vibratory power roller of 8 to 12 tonne capacity to achieve the desired density, complete all as specified and directed.
5
M&L for 30mm thick layers of sand laid over GSB including watering and compacting, complete all as specified and directed.
6
M&L for 400 micron transparent High Density Polyethylene(HDPE) film sheet Grade I conforming to IS-10889 over sand layer, complete all as specified and directed.Notes: (i) Side lap of 150 mm arid end lap of 300 mm shall be provided whichever required. The rate quoted shall be deemed to included for the tapes(ii) Clear area only shall be considered for payment purpose and nothing extra shall be added for tapes.
7
M&L for filling 300 mm thick (in two layers of 150 mm thick) using 20 mm to 63 graded stone aggregate laying watering, rolling/compacting with 8 to 12 tonne power roller including filling of interstices for smooth riding, levelled and finished, complete all as specified and directed.Notes: (i). Contractor shall procure complete quantity of material as directed by Engr-in-Charge and stack the same in GE (AF) Tezpur Complex.(ii). Adequate Tools and plants i.e JCB along with operator, Road roller with operator, water brozer alogwith operator, Crane with operator (2 tonne minimum load capacity) boom raising minimum upto 6-8 meters of height andlabours shall be arranged within 24 hrs from the date of intimation by Engr-in-Charge.(iii)Safety goggles (trasparent)- 20 Nos, Helmet - 15 Nos, Long boots - 04 Nos and reflective Jackets (yellow colour) -15 Nos shall be provided by the contractor.(iv) The work is of urgent nature and shall be commenced within 24 hrs from the time of intimation by Engr-in-Charge.(v) Supply of 12 Skilled labour shall be endured at the time of exercise to be carried out including any type of works which may be carried out at night time also.
8
Materials and Labour for rendering 8 mm thick, cement plaster, in cement mortar (1:4) mixed with water proofing compound as per manufactures instructions over and including 12 mm thick backing coat in cement mortar (1:4) on fair faces of brick work or concrete surface in walls, complete all as specified and directed.Note: - (Water proofing compound will be measured and paid separately)
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